Пример #1
0
def mds_loader(params, is_key_frame=True):
    # Datasets
    # TODO: put the path to your train, test, validation txt files
    if is_key_frame:
        label_file_train =  'dataloader_files/keyframe_data_train.txt'
        label_file_val  =  'dataloader_files/keyframe_data_val.txt'
    else:
        label_file_train = 'dataloader_files/videoframe_data_train.txt'
        label_file_val = 'dataloader_files/videoframe_data_val.txt'
        label_file_test = 'dataloader_files/videoframe_data_test.txt'

    mean = [0.5, 0.5, 0.5]
    std = [0.5, 0.5, 0.5]

    train_dataset = Mds189(label_file_train,loader=default_loader,transform=transforms.Compose([
                                                transforms.ColorJitter(hue=.05, saturation=.05),
                                                transforms.RandomHorizontalFlip(p=0.33),
                                                transforms.RandomRotation(degrees=15),    
                                                transforms.ToTensor(),
                                                transforms.Normalize(mean, std)
                                            ]))
    train_loader = data.DataLoader(train_dataset, **params)

    val_dataset = Mds189(label_file_val,loader=default_loader,transform=transforms.Compose([
                                                transforms.ToTensor(),
                                                transforms.Normalize(mean, std)
                                            ]))
    val_loader = data.DataLoader(val_dataset, **params)

    if is_key_frame:
        return train_loader, val_loader

    elif not is_key_frame:
        test_dataset = Mds189(label_file_test,loader=default_loader,transform=transforms.Compose([
                                                    transforms.ToTensor(),
                                                    transforms.Normalize(mean, std)
                                                ]))
        test_loader = data.DataLoader(test_dataset, **params)
        return train_loader, val_loader, test_loader
Пример #2
0
    label_file_train = 'dataloader_files/videoframe_data_train.txt'
    label_file_val = 'dataloader_files/videoframe_data_val.txt'
    label_file_test = 'dataloader_files/videoframe_data_test.txt'

####################### NORMALIZE + DATA GEN #######################
if is_key_frame:
    mean = np.array([134.010302198, 118.599587912, 102.038804945]) / 255
    std = np.array([23.5033438916, 23.8827343458, 24.5498666589]) / 255
else:
    mean = np.array([133.714058398, 118.396875912, 102.262895484]) / 255
    std = np.array([23.2021839891, 23.7064439547, 24.3690056102]) / 255

# Generators
train_dataset = Mds189(label_file_train,
                       loader=default_loader,
                       transform=transforms.Compose([
                           transforms.ToTensor(),
                           transforms.Normalize(mean, std)
                       ]))
train_loader = data.DataLoader(train_dataset, **params)

val_dataset = Mds189(label_file_val,
                     loader=default_loader,
                     transform=transforms.Compose([
                         transforms.ToTensor(),
                         transforms.Normalize(mean, std)
                     ]))
val_loader = data.DataLoader(val_dataset, **params)

####################### TRAIN/VAL #######################
start = time.time()
print('Beginning training..')
Пример #3
0
    ]
    std = [23.2021839891 / 255.0, 23.7064439547 / 255.0, 24.3690056102 / 255.0]

# TODO: you should normalize based on the average image in the training set. This shows
# an example of doing normalization

# TODO: if you want to pad or resize your images, you can put the parameters for that below.

# Generators
# NOTE: if you don't want to pad or resize your images, you should delete the Pad and Resize
# transforms from all three _dataset definitions.
train_dataset = Mds189(
    label_file_train,
    loader=default_loader,
    transform=transforms.Compose([
        #                                                transforms.Pad(requires_parameters),    # TODO: if you want to pad your images
        #                                                transforms.Resize(requires_parameters), # TODO: if you want to resize your images
        transforms.RandomAffine((-30, 30), shear=(-10, 10), fillcolor=0),
        transforms.ToTensor(),
        transforms.Normalize(mean, std)
    ]))
train_loader = data.DataLoader(train_dataset, **params)

val_dataset = Mds189(
    label_file_val,
    loader=default_loader,
    transform=transforms.Compose([
        #                                                transforms.Pad(),
        #                                                transforms.Resize(),
        transforms.ToTensor(),
        transforms.Normalize(mean, std)
    ]))
Пример #4
0
    label_file_train = '../data/hw6_mds189/videoframe_data_train.txt'
    label_file_val = '../data/hw6_mds189/videoframe_data_val.txt'
    label_file_test = '../data/hw6_mds189/videoframe_data_test.txt'

# TODO: you should normalize based on the average image in the training set. This shows 
# an example of doing normalization
mean = [0.5, 0.5, 0.5]
std = [0.5, 0.5, 0.5]
# TODO: if you want to pad or resize your images, you can put the parameters for that below.

# Generators
# NOTE: if you don't want to pad or resize your images, you should delete the Pad and Resize
# transforms from all three _dataset definitions.
train_dataset = Mds189(label_file_train,loader=default_loader,transform=transforms.Compose([
                                               transforms.Pad(requires_parameters),    # TODO: if you want to pad your images
                                               transforms.Resize(requires_parameters), # TODO: if you want to resize your images
                                               transforms.ToTensor(),
                                               transforms.Normalize(mean, std)
                                           ]))
train_loader = data.DataLoader(train_dataset, **params)

val_dataset = Mds189(label_file_val,loader=default_loader,transform=transforms.Compose([
                                               transforms.Pad(),
                                               transforms.Resize(),
                                               transforms.ToTensor(),
                                               transforms.Normalize(mean, std)
                                           ]))
val_loader = data.DataLoader(val_dataset, **params)

if not is_key_frame:
    test_dataset = Mds189(label_file_test,loader=default_loader,transform=transforms.Compose([
                                                   transforms.Pad(),